package chapter15.manipulator;

/**
 * @author : DuJiabao
 * @Date : 2021/3/4 16:17
 * @Project : thinking_in_java
 * @File : null.java
 * @Desc :
 */
public class HasF {
  public void f() {
    System.out.println("HasF.f()");
  }
}
